Home / 1,263,802.40-1,895,645.28-317,152.16

Finding the Fourth Proportional to 1,263,802.40, 1,895,645.28 and 317,152.16

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Solution

The fourth proportional to 1,263,802.40, 1,895,645.28 and 317,152.16 is: 475,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,802.40 : 1,895,645.28 = 317,152.16 : x
  2. Step 2: Convert to fraction form
    1,263,802.40/1,895,645.28 = 317,152.16/x
  3. Step 3: Cross multiply
    1,263,802.40x = 1,895,645.28 × 317,152.16
  4. Step 4: Simplify right side
    1,263,802.40x = 601,207,995,145.81
  5. Step 5: Solve for x
    x = 601,207,995,145.81/1,263,802.40
  6. Step 6: Final answer
    x = 475,713.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.